Vasiliki Vlachou and  Christos Kontzinos and  Ourania Markaki and  Panagiotis Kokkinakos and  Vagelis Karakolis and  John Psarras,  Leveraging Hyperledger Iroha for the Issuance and Verification of Higher-Education Certificates.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    August 2020, vol. 165(9). 755 - 763
    [viewed 20 January 2022]. Available from: https://publications.waset.org/pdf/10011428.